What is the primary purpose of a filter in an HVAC system?

The primary purpose of a filter in an HVAC system is to remove dust, allergens, and other particles from the air. This function is crucial for maintaining indoor air quality, ensuring that the air circulating within a building is cleaner and healthier for occupants. By trapping these particles, the filter prevents them from entering living spaces, which can help reduce respiratory issues and allergies among individuals who are sensitive or allergic to certain airborne contaminants.

Furthermore, keeping the filter clean and effective contributes positively to system performance overall. When filters are clogged with dust and debris, they can hinder airflow, forcing the HVAC system to work harder, which can lead to increased energy consumption and wear on the components. Therefore, regular filter maintenance is vital for optimizing both air quality and system efficiency.